(Luo Zhen Yu)(1866 A.D. -- 1940 A.D.), a famous scholar. His son 
(Luo Fu Yi)(1905 A.D. -- 1981 A.D.) is also a famous scholar.
he wrote the book: "Gu Xi Yin Gai Lun" (An Introduction To Ancient Seal, or Ancient Seal Panorama), which also refers to the seal.
